Online PHP editor | output for V3H2n

@ 2014-09-11T22:09:46Z

<?php
var_dump(TRUE,FALSE,NULL); // they have data types and what has data types? variables and constants but keywords are all text
function true(){
     return 'The truth ...';
}
function false(){
     return 'Do not be false...';
}
function null(){
     return 't\'is nothing at all...';
}
echo true();
echo false();
echo null();
// if TRUE, FALSE and NULL are keywords then these functions will not execute.

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: bool(true) bool(false) NULL The truth ...Do not be false...t'is nothing at all...
Output for 5.1.0: Fatal error: fatal flex scanner internal error--end of buffer missed in /in/V3H2n on line 15
Process exited with code 255.

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